Overview
The LM324M/NOPB is a quad operational amplifier produced by Texas Instruments. It is part of the LM124-N series, designed to operate from a single power supply over a wide range of voltages. This device features four independent, high-gain, internally frequency-compensated operational amplifiers. The LM324M/NOPB is versatile, allowing operation from both single and dual power supplies, making it suitable for various applications including transducer amplifiers, DC gain blocks, and conventional op-amp circuits in single power supply systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D), 14 Pins |
| Operating Temperature Range | 0°C to 70°C |
| DC Voltage Gain | 100 dB |
| Bandwidth (Unity Gain) | 1 MHz (Temperature Compensated) |
| Power Supply Range | Single Supply: 3 V to 32 V, Dual Supplies: ±1.5 V to ±16 V |
| Supply Current | 700 µA (essentially independent of supply voltage) |
| Input Biasing Current | 45 nA (Temperature Compensated) |
| Input Offset Voltage | 2 mV |
| Input Offset Current | 5 nA |
| Input Common-Mode Voltage Range | Includes Ground, up to V+ - 1.5 V |
| Differential Input Voltage Range | Equal to the Power Supply Voltage |
| Output Voltage Swing | 0 V to V+ - 1.5 V |
Key Features
- Internally Frequency Compensated for Unity Gain
- Large DC Voltage Gain of 100 dB
- Wide Bandwidth (Unity Gain) of 1 MHz (Temperature Compensated)
- Wide Power Supply Range: Single Supply 3 V to 32 V or Dual Supplies ±1.5 V to ±16 V
- Very Low Supply Current Drain (700 µA) essentially independent of supply voltage
- Low Input Biasing Current (45 nA) and Input Offset Voltage (2 mV)
- Input Common-Mode Voltage Range Includes Ground and Differential Input Voltage Range Equal to the Power Supply Voltage
- Large Output Voltage Swing from 0 V to V+ - 1.5 V
- Eliminates the need for dual supplies
- Four Internally Compensated Op Amps in a Single Package
- Allows direct sensing near GND and VOUT also goes to GND
- Compatible with all forms of logic
- Power drain suitable for battery operation
- In the linear mode, the input common-mode voltage range includes ground and the output voltage can swing to ground even though operated from only a single power supply voltage
- Unity gain cross frequency and input bias current are temperature compensated
Applications
- Transducer Amplifiers
- DC Gain Blocks
- Conventional Op Amp Circuits
- Single power supply systems, including those used in digital systems
Q & A
- What is the operating temperature range of the LM324M/NOPB?
The operating temperature range is 0°C to 70°C. - What is the DC voltage gain of the LM324M/NOPB?
The DC voltage gain is 100 dB. - What is the bandwidth of the LM324M/NOPB at unity gain?
The bandwidth at unity gain is 1 MHz, which is temperature compensated. - What are the power supply options for the LM324M/NOPB?
The device can operate from a single supply of 3 V to 32 V or dual supplies of ±1.5 V to ±16 V. - How much supply current does the LM324M/NOPB typically draw?
The supply current is typically 700 µA, which is essentially independent of the supply voltage. - What is the input biasing current of the LM324M/NOPB?
The input biasing current is 45 nA, which is temperature compensated. - What is the input offset voltage of the LM324M/NOPB?
The input offset voltage is 2 mV. - Can the LM324M/NOPB operate with a single power supply and still allow the output to swing to ground?
Yes, the device allows the output voltage to swing to ground even when operated from only a single power supply voltage. - Is the LM324M/NOPB compatible with all forms of logic?
Yes, it is compatible with all forms of logic. - What are some common applications of the LM324M/NOPB?
Common applications include transducer amplifiers, DC gain blocks, and conventional op-amp circuits in single power supply systems.
